We're going to solve 78749673 multiplied by 65538734
78749673 × 65538734 = 65538734 × (78749673)
+ 65538734 × 3 which equals 196616202
+ 65538734 × 70 which equals 4587711380
+ 65538734 × 600 what gives us 39323240400
+ 65538734 × 9000 producing 589848606000
+ 65538734 × 40000 yielding 2621549360000
+ 65538734 × 700000 resulting in 45877113800000
+ 65538734 × 8000000 resulting in 524309872000000
+ 65538734 × 70000000 which equals 4587711380000000

= 5161153871333982
